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6014 Aluminum vs. ACI-ASTM CB6 Steel

6014 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CB6 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 6014 aluminum and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1 to 17
18
Fatigue Strength, MPa 43 to 79
410
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 160 to 260
880
Tensile Strength: Yield (Proof), MPa 80 to 200
660

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 180
870
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 620
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 200
17
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 53
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
2.5
Embodied Energy, MJ/kg 160
36
Embodied Water, L/kg 1190
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
150
Resilience: Unit (Modulus of Resilience), kJ/m3 46 to 300
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 16 to 26
32
Strength to Weight: Bending, points 24 to 33
26
Thermal Diffusivity, mm2/s 83
4.6
Thermal Shock Resistance, points 7.0 to 11
31

Alloy Composition

Aluminum (Al), % 97.1 to 99.2
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.2
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.35
74.4 to 81
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0